Document Library
Search documents produced by UTREP staff and collaborators, as well as historical documents that provide context for UTREP efforts.
Environmental Flow Study for the Hetch Hetchy Reach - Early Workgroup Draft
Draft study and environmental flow recommendations for the Upper Tuolumne River.
San Francisco Public Utilities Commission
River food chains lead to riparian bats and birds in two mid‐order rivers
Scientific publication exploring the connection between river food chains and riparian wildlife.
Breeanne K. Jackson et al.
Open Link (External)Looking Downstream, 2017 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (5.60 MB)UTREP 2017 Fisheries Monitoring
Fisheries monitoring results and analysis from the 2017 season.
Stillwater Sciences and McBain Associates
Download (3.46 MB)O’Shaughnessy Dam Instream Flow Evaluation Study Plan
Study on instream flow requirements for the Upper Tuolumne River.
McBain Associates
Download (1.64 MB)Development of a Flow and Temperature Model for the Hetch Hetchy Reach of the Upper Tuolumne River
Temperature modeling and analysis for the Upper Tuolumne River.
Watercourse Engineering
Download (2.89 MB)Upper Tuolumne River: Available Data Sources, Field Work Plan, and Initial Hydrology Analysis
Summary of available data for the Upper Tuolumne River.
RMC and McBain & Trush
Download (1.88 MB)2013-2014 Rim Fire Monitoring
Monitoring report on Rim Fire impacts
McBain Associates
Download (3.83 MB)1985 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
U.S. Department of Interior
Download (0.76 MB)Upper Tuolumne River: Description of River Ecosystem and Recommended Monitoring Actions
Report on Upper Tuolumne River monitoring recommendations.
RMC and McBain & Trush
Download (27.38 MB)1961 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
Steward Udall, Secretary of the Department of Interior
Download (1.82 MB)Instream Flow Requirements for Rainbow and Brown Trout in the Tuolumne River Between O'Shaughnessy Dam and Early Intake
Study of instream flow requirements in the Upper Tuolumne River
Aceituno
Download (1.69 MB)Segregation by species and size classes of rainbow trout, and Sacramento sucker, in three California streams
Fisheries evaluation on Cherry and Eleanor Creeks
Donald Baltz and Peter Moyle
Download (1.26 MB)River releases for fish enhancement and environmental aesthetics - a systems study
Study on the effects of river releases on Hetch Hetchy Reservoir management
Bechtel Corporation
Download (0.86 MB)Environmental Assessment Tuolumne River Flow Schedule Revision (Canyon Power Project)
National Environmental Policy Act review of the Canyon Power Project
US Fish & Wildlife Service
Download (15.90 MB)Age and growth of Tuolumne River brown trout
Investigation of age and growth of brown trout in the Tuolumne River downstream of Hetch Hetchy Reservoir.
J.P. Hoffman
Download (13.05 MB)UTREP 2014 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
San Francisco Public Utilities Commission
Download (4.98 MB)Looking Downstream, 2011-2012 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (5.26 MB)Fisheries evaluation of Lake Eleanor and Cherry and Eleanor Creeks
Fisheries surveys on the Cherry/Eleanor systems
Peter Moyle & Donald Baltz
Download (3.21 MB)Sensitivity of Upper Tuolumne River Flow to Climate Change Scenarios
A study assessing the sensitivity of Tuolumne River reservoir inflows to a range of changes in two variables: temperature and precipitation.
Hydrocomp, Inc.
Download (14.77 MB)Looking Downstream, 2014 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (5.64 MB)Tuolumne Fish Population Survey - 1985
Fisheries survey report
Bruce Vondracek
Download (1.45 MB)Looking Downstream, 2009 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (3.33 MB)UTREP 2015-2016 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
San Francisco Public Utilities Commission
Download (4.15 MB)Looking Downstream, 2007 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Amphibian and Reptile Assessment Study Plan for the Hetch Hetchy Reach
Study plan for herpetological assessment for the Upper Tuolumne River ecosystem.
McBain Associates and Questa Engineering
Download (3.42 MB)Low flows in a regulated river system are associated with reduced breeding bird abundance and diversity in Yosemite National Park, California
Scientific publication exploring the role of droughts in breeding bird abundance and diversity.
Desrosiers et al.
Download (3.09 MB)Tuolumne River fish population survey
Fisheries surveys
Richard Ridenhour
Download (2.76 MB)UTREP 2018 Fisheries Monitoring
Fisheries monitoring report for the Upper Tuolumne River ecosystem.
San Francisco Public Utilities Commission
Download (10.10 MB)Improving riparian wetland conditions based on infiltration and drainage behavior during and after controlled flooding
An observational and modeling study of the hydrologic response of Poopenaut Valley riparian wetlands to controlled flooding
Russo et al.
Download (0.99 MB)Looking Downstream, 2013 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (30.29 MB)Looking Downstream, 2010 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (1.29 MB)Hetch Hetchy Reach Fisheries Investigation; Progress Report
Fisheries investigations on the Upper Tuolumne River
U.S. Fish & Wildlife Service
Download (3.93 MB)Looking Downstream, 2015 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (5.91 MB)Fong Pulsed Flow Wave Attenuation on a Regulated Montane River
investigated the effects of hydrograph shape on attenuation of regulated pulsed flow events by first categorizing and then modeling the downstream movement of representative Masters thesis the effects of hydrograph shape on attenuation of regulated pulsed flow events by first categorizing and then modeling the downstream movement of representative pulses on the upper Tuolumne River below Holm Powerhouse in the Sierra Nevadas of California.
Temperature Requirements of Rainbow Trout and Brown Trout in Relation to Flows Between O'Shaughnessy Dam and Early Intake on the Tuolumne River, California
Summary of temperature requirements for trout on the upper Tuolumne River.
Moyle and Marchetti
Download (1.65 MB)Looking Downstream, 2016 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (6.23 MB)Environmental Assessment on the Proposed Third Generator Unit at Kirkwood Powerhouse
National Environmental Policy Act review of the 1980's proposal to add a third hydropower generation unit at Kirkwood Powerhouse
US Forest Service
Download (3.98 MB)Looking Downstream, 2008 Update
Update report from Yosemite National Park regarding downstream ecosystem conditions.
Yosemite National Park
Download (1.83 MB)Characterization of the benthic macroinvertebrate assemblage in the river and Poopenaut pond and response of benthos and drift to experimental spring release events
A report on the response of benthos and drift to experimental spring release events downstream of Hetch Hetchy Reservoir
Holmquist and Schmidt-Gengenbach
Download (7.78 MB)2015-2016 Rim Fire Monitoring
Monitoring report on Rim Fire impacts to the Upper Tuolumne River ecosystem.
McBain Associates
Download (6.06 MB)Preliminary Analysis of Available Data for Modeling Temperature in the Hetch Hetchy Reach (O’Shaughnessy Dam to Cherry Creek)
Temperature modeling and analysis for the Upper Tuolumne River.
Merritt Smith Consulting
Download (0.68 MB)Supplement to the Environmental Assessment Tuolumne River Flow Schedule Revision (Canyon Power Project)
Supplemental National Environmental Policy Act review of the Canyon Power Project
US Fish and Wildlife Service
Download (0.37 MB)Upper Tuolumne River Ecosystem Project: Streambank Stability Study in Poopenaut Valley, Yosemite National Park, California
A investigation into the effects of drawdown ramping rates on the stability of the valley’s tributary banks
Stillwater Sciences
Download (5.79 MB)Tuolumne River Flow Study - Canyon Power Project
Study on instream flow requirements for the Upper Tuolumne River.
US Fish & Wildlife Service
Download (5.14 MB)1987 Stipulation
Regulatory stipulation regarding Tuolumne River water management.
U.S. Department of Interior
Download (0.83 MB)Long Term Vulnerability Assessment and Adaptation Plan for the San Francisco Public Utilities Commission Water Enterprise - Phase I
The goal of the LTVA is to help assess whether climate change will be a threat to the RWS in comparison to, or in combination with, other external drivers of change over the next 50 years (2020-2070).
Baptiste François, et al.
Open Link (External Link)